NVIDIA's Vera Rubin reference example uses about 41 °C facility water into the CDU to provide 45 °C rack coolant
~41 °C FWS -> 45 °C rack coolantobserved
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Published NVIDIA reference design point for the Vera Rubin POD, a shipping platform: a named FWS/CDU/TCS example, not a universal facility-loop standard and not a metered facility loop. Derive the site setpoint from your rack's approved operating range and the CDU approach. |
| As of | 2026-03-16 |
| Source | NVIDIA Technical Blog, 'NVIDIA Vera Rubin POD: Seven Chips, Five Rack-Scale Systems, One AI Supercomputer' (2026-03-16) · Facility section: infrastructure laid out to 'provide 41°C (105.8°F) water to coolant distribution units (CDUs)', which 'supply coolant at 45°C (113°F) to AI racks'; MGX racks designed for 45 °C warm-water inlet |
| Review | checking…review by 2027-04-16 · fast cadence |
| Recorded changes | last 2026-10-19 · 3 revisions tracked |
| Claim id | warm-water-facility-loop-target-nvidia-vera |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.